| Model No |
UNI63991 |
| Coating |
Reflective First Surface Chromium Rabs = 50% ±5% @ 550nm |
| Dot Diameter (mm) |
0.500 |
| Dot Spacing (mm) |
1.000 |
| Substrate |
White Ivory Soda Lime Glass |
| Optical Density OD |
>3.0 |
| Overall Accuracy (mm) |
±0.002 |
| Pattern Size (mm) |
150 x 150 |
| Dimensions (inches) |
7 x 7 |
| Surface Quality |
40-20 |
| Thickness (mm) |
3.20 |
| Type |
Chrome on White Ivory Glass |
| Dot Diameter Tolerance (mm) |
±0.002 |
| Dot Spacing Tolerance (mm) |
± 0.001 Center to Center, ± 0.003 Grid Corner to Corner |
| Surface Flatness |
4 - 6λ |
| NIST Certification |
Serialized NIST Traceable Certificate Included |
| RoHS 2015 |
Compliant |
| REACH 201 |
Compliant |
